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06.03 00:00
50 Min
Hitler's American Battleground
During WW2, Nazi U-boats strike terror off America's coast. Today, a dive team transforms a forgotten graveyard into a timeless memorial. (Nat Geographic HD)
06.03 00:50
45 Min
Hitler's American Battleground
Unlocking the secrets of a virtually unknown WW2 battleground, the team dives deep to uncover a ghostly Nazi U-boat that became a tomb for its crew. (Nat Geographic HD)